<template>
	<view class="cart-container" v-if="cart.length!==0">
		<!-- 收货地址组件 -->
		<my-address></my-address>

		<!-- 商品列表的标题区域 -->
		<view class="cart-title">
			<!-- 1.左侧的图标区域 -->
			<uni-icons type="shop" size="18"></uni-icons>
			<!-- 2，右侧的文本区域 -->
			<text class="cart-title-text">购物车</text>
		</view>

		<!-- 购物车中的商品信息展示 -->
		<uni-swipe-action>
			<block v-for="(goods,index) in cart" :key="index">
				<uni-swipe-action-item :right-options="options" @click="swiperItemClickHandler(goods)">
					<my-goods :goods="goods" :showRadio="true" @radio-change="radioChangeHandler" :showNum="true"
						@num-change="numberChangeHandler"></my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>

		<!-- 结算组件 -->
		<my-settle></my-settle>
	</view>

	<!-- 空白购物车区域 -->
	<view class="empty-cart" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
	</view>
</template>

<script>
	import bage from '@/mixins/tabbar-bage.js'
	import { mapState, mapMutations } from 'vuex'
	import cart from '../../store/cart';
	export default {
		data() {
			return {
				options: [{
					text: '删除',
					style: {
						backgroundColor: '#c00000'
					}
				}]
			};
		},
		mixins: [bage],
		computed: {
			...mapState({
				cart: (state) => {
					return state.Cart.cart
				}
			}),
		},
		methods: {
			radioChangeHandler(value) {
				// console.log(value);
				this.updateGoodsState(value)
			},
			...mapMutations(['updateGoodsState']),
			// 监听数量变化的事件
			numberChangeHandler(e) {
				this.$store.commit('updateGoodsCount', e)
			},
			// 左滑的删除点击事件
			swiperItemClickHandler(goods) {
				this.$store.commit('removeGoodsById', goods.goods_id)
			}
		}
	}
</script>

<style lang="scss">
	.container {
		padding-bottom: 50px;
	}

	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		padding-left: 5px;
		border-bottom: 1px solid #efefef;

		.cart-title-text {
			font-size: 14px;
			margin-left: 10px;
		}
	}

	.empty-cart {
		display: flex;
		flex-direction: column;
		align-items: center;
		// text-align: center;
		padding-top: 150px;

		.empty-img {
			width: 90px;
			height: 90px;
		}

		.tip-text {
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>
